CVE-2006-0313 in PDFdirectory
Summary
by MITRE
Multiple SQL injection vulnerabilities in PDFdirectory before 1.0 allow remote attackers to execute arbitrary SQL commands via multiple unspecified vectors involving (1) util.php, (2) userpref.php, (3) user.php, (4) uploadfrm.php, (5) title.php, (6) team.php, (7) stats.php, (8) page.php, (9) org.php, (10) member.php, (11) index.php, (12) group.php, or (13) anniv.php.
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Analysis
by VulDB Data Team • 07/18/2018
The vulnerability identified as CVE-2006-0313 represents a critical SQL injection flaw in the PDFdirectory application prior to version 1.0. This vulnerability exposes multiple entry points within the application's web interface, creating numerous attack vectors that could be exploited by remote threat actors. The affected files include util.php, userpref.php, user.php, uploadfrm.php, title.php, team.php, stats.php, page.php, org.php, member.php, index.php, group.php, and anniv.php, all of which process user input without adequate sanitization or validation mechanisms. The presence of multiple vulnerable scripts indicates a systemic architectural weakness in the application's input handling procedures, rather than isolated code defects.
The technical nature of this vulnerability falls under CWE-89, which specifically addresses SQL injection weaknesses in software applications. This flaw allows attackers to manipulate database queries by injecting malicious SQL code through various input parameters within the listed PHP scripts. The vulnerability operates by bypassing normal input validation procedures and directly injecting SQL commands into the database layer, potentially enabling unauthorized access to sensitive data, modification of database contents, or complete database compromise. Attackers could leverage this vulnerability to extract confidential information, modify user accounts, or even escalate privileges within the application's database environment.
The operational impact of CVE-2006-0313 extends beyond simple data theft, as it provides attackers with the capability to manipulate the entire application's data integrity and availability. Remote exploitation of this vulnerability means that attackers do not require physical access to the system or local network privileges to carry out successful attacks. The multi-vector nature of the vulnerability increases the attack surface significantly, as any of the listed files could potentially be exploited depending on the attacker's objectives. This vulnerability could lead to complete system compromise, data loss, unauthorized access to user accounts, and potential denial of service conditions affecting the entire PDFdirectory application infrastructure.
Organizations utilizing PDFdirectory versions prior to 1.0 should immediately implement comprehensive mitigations including input validation, parameterized queries, and application firewalls to prevent exploitation attempts. The most effective remediation strategy involves updating to the patched version 1.0 or later, which addresses all identified injection vectors through proper input sanitization and query parameterization techniques. Additionally, implementing the principle of least privilege for database connections, regular security audits, and network segmentation can help reduce the potential impact of such vulnerabilities. This vulnerability demonstrates the critical importance of input validation and proper database query construction, aligning with ATT&CK technique T1190 for exploiting vulnerabilities and T1071.6 for application layer protocols, particularly in web application security contexts where improper input handling creates persistent security risks.